Unit 1: Riding Through History (Engineering) Flashcards
It took nearly 100 years and many…for the modern bicycle to be born.
individuals
Bicycles… the way people traveled from place to place.
had revolutionized
The…was made of solid steel tubes and wooden wheels were covered with steel.
framework
People didn’t ride velocipedes to the market or to their .. . Instead, people thought velocipedes were just toys.
jobs
Around 1870, American manufacturers saw that velocipedes were very popular… .
overseas
They made the frameworks from hollow steel tubes. this … made velocipedes much lighter.
alteration
Roads were… so … was difficult.
bumpy,steering
Most riders preferred indoor tracks where they could rent a velocipede for a small … and take riding lessons.
fee
… changes by British engineers … the wheels to make pedaling more efficient.
Subsequent, altered
They reasoned that if the front wheel were longer, the bicycle would travel a greater distance. So they … a bicycle with a gaint front wheel.
designed
Its … purpose was to help the rider balance.
primary
He was in danger of falling off the bicycle and … himeself if he lost his balance.
injuring
Dispite this … danger,”high wheelers” became very popular in England.
inherent
They … a small wheel for the giant front wheel and put the driving mechanism in a larger rear wheel.
substituted
The new safety bicycle … the dangers inherent in bicycle riding.
minimized
It would be impossible for a rider to pedal the rear wheel, so engineers … a system of foot levers.
designed
The British … the … one last time.
altered, design
… improvements, such as brakes, rubber tires, and lights were added to make bicycles more comfortable to ride.
Subsequent
Bicycles … the way people traveled from place to place.
revolutionized
The modern bicycle was born when British engineers … altered the wheels again and made them equal in size.
subsequently
The course for the Tour de France is … every year, but it is always about 4000 kilometers, or 2500 miles.
altered/changed
The course is … to travel through towns, up steep mountains, and across flat lands.
designed/planned
Riders come from all over Europe as well as from … to take part in the 22-day race.
overseas/other countries
The race is divided into 20 stages, or parts. The rider who wins one stage has the honor of wearing a yellow Tour shirt in the … stage.
subsequent/next
Amestrong is the only … to win seven Tour de France competitions.
individual/person
The … of modern racing bicycle is made of light lightweight steel, aluminum, titanium, and carbon fiber tubes.
framework/structure
The recent use of lightweight frameworks brought about … changes in the 100-year-old race.
revolutionary/great
Teams pay any entrance … to join the Tour de France. The fees create the prize money paid to the winning teams.
fee/payment
Riders must be good athletes to meet the physical demands that are an … part of a long race.
inherent/natural
If a rider is …, he tries to … the pain so he can stay in the race.
injured/hurt, minimize/lessen
The … … of a Tour coach is to help his team win.
primary/main , job/task
… can minimize stress on knees.
knee braces
low handle bars can minimize … .
air drag
A … can minimize head … .
helmet, injuries
Long sleeves can minimize … .
sunburn